* {
  padding: 0;
  margin: 0;

}

body {
  display:flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: url(./胡桃.png);
  background-repeat: no-repeat;
  background-size: cover;
}

.box {
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 350px;
  height: 380px;
  border-top: 1px solid rgba(255,255,255,0.5);
  border-left: 1px solid rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: 10px;
  background: rgba(255,255,255,0.3);
}

.box > h2 {
  color:rgba(255,255,255,0.9);
  margin: 20px;
}

.box .input-box {
  display:flex;
  flex-direction: column;
  justify-content: center;
  align-items: start;
  margin-bottom: 10px;
}

.box .input-box > label {
  margin-bottom: 5px;
  color:rgba(255,255,255,0.9);
  font-size: 13px;
}

.box .input-box > input {
  box-sizing: border-box;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  height: 35px;
  width: 250px;
  background: rgba(255,255,255,0.3);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 5px;
  transition: 0.2s;
  outline: none;
  padding: 0 10px;

}

.box .input-box > input:focus {
  border: 1px solid rgba(255,255,255,0.8);

}

.box .btn-box {
  width: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: start;

}

.box .btn-box > a {
  font-size: 14px;
  text-decoration: none;
  color: rgba(255,255,255,0.8);
  transition: 0.2s;
  width: 250px;
  text-align: end;
}

.box .btn-box > a:hover {
  color: rgb(79, 131, 243);

}

.box .btn-box > div {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: start;
  margin-top: 20px;
  
}

.box .btn-box > div > button {
  width: 120px;
  height: 35px;
  border: 1px solid rgb(224, 207, 207);
  background: rgb(87, 70, 58);
  color: rgb(106, 193, 202);
  border-radius: 5px;
  transition: 0.2s;
}

.box .btn-box > div > button:nth-of-type(2) {
  margin-left: 10px;

}